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authorThomas Gessler <thomas.gessler@brueckmann-gmbh.de>2025-03-14 14:47:15 +0100
committerVinod Koul <vkoul@kernel.org>2025-04-17 20:45:20 +0530
commitebf744fdc080763a243ea6b1a719b1857474a977 (patch)
tree36d085607361b61aa4d0efa7328fc4dff34cc667 /drivers/dma
parentMAINTAINERS: Maintainer change for hisi_dma (diff)
downloadlinux-rng-ebf744fdc080763a243ea6b1a719b1857474a977.tar.xz
linux-rng-ebf744fdc080763a243ea6b1a719b1857474a977.zip
dmaengine: xilinx_dma: Set max segment size
Set the maximumg DMA segment size from the actual core configuration value. Without this setting, the default value of 64 KiB is reported, and larger sizes cannot be used for IIO DMAEngine buffers. Signed-off-by: Thomas Gessler <thomas.gessler@brueckmann-gmbh.de> Tested-by: Folker Schwesinger <dev@folker-schwesinger.de> Link: https://lore.kernel.org/r/20250314134717.703287-1-thomas.gessler@brueckmann-gmbh.de Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/xilinx/xilinx_dma.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 3ad44afd0e74..cf4cd2f36e34 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -3115,6 +3115,8 @@ static int xilinx_dma_probe(struct platform_device *pdev)
}
}
+ dma_set_max_seg_size(xdev->dev, xdev->max_buffer_len);
+
if (xdev->dma_config->dmatype == XDMA_TYPE_AXIDMA) {
xdev->has_axistream_connected =
of_property_read_bool(node, "xlnx,axistream-connected");